Vacuum cleaner



FIG. 1 is a top, front and left side perspective view of a vacuumcleaner showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a top plan view thereof.

The broken line showing portions of the vacuum cleaner is for thepurpose of illustrating portions of the vacuum cleaner and forms no partof the claimed design.

The ornamental design for a vacuum cleaner, as shown and described.